Year | Value | 2022 | 1,613,727 | 2021 | 1,628,696 | 2020 | 1,617,760 | 2019 | 1,608,035 | 2018 | 1,602,811 | 2017 | 1,585,504 | 2016 | 1,558,084 | 2015 | 1,536,706 | 2014 | 1,532,234 | 2013 | 1,540,118 | 2012 | 1,548,725 | 2011 | 1,546,428 | 2010 | 1,528,622 | 2009 | 1,501,234 | 2008 | 1,473,231 | 2007 | 1,448,370 | 2006 | 1,429,783 | 2005 | 1,414,943 | 2004 | 1,402,960 | 2003 | 1,392,353 | 2002 | 1,380,842 | 2001 | 1,358,233 | 2000 | 1,324,915 | 1999 | 1,292,082 | 1998 | 1,260,252 | 1997 | 1,229,984 | 1996 | 1,201,745 | 1995 | 1,175,370 | 1994 | 1,147,031 | 1993 | 1,116,488 | 1992 | 1,083,857 | 1991 | 1,051,273 | 1990 | 1,022,215 | 1989 | 996,384 | 1988 | 975,474 | 1987 | 957,089 | 1986 | 937,367 | 1985 | 916,457 | 1984 | 895,534 | 1983 | 873,680 | 1982 | 851,564 | 1981 | 830,539 | 1980 | 809,303 | 1979 | 787,533 | 1978 | 766,685 | 1977 | 747,442 | 1976 | 730,574 | 1975 | 716,289 | 1974 | 704,047 | 1973 | 693,138 | 1972 | 682,469 | 1971 | 671,862 | 1970 | 660,663 | 1969 | 648,327 | 1968 | 637,159 | 1967 | 626,119 | 1966 | 612,245 | 1965 | 597,087 | 1964 | 583,374 | 1963 | 570,129 | 1962 | 557,734 | 1961 | 548,468 | 1960 | 540,012 |
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